[Selfplug]

If you want to see how similar your logo is compared to stock icons from the noun project database or logos of the top million websites, you can try these services that I built as part of my research into shape similarity.

http://compute.vision/nouns/index.html

http://compute.vision/brands/index.html

These aren't the latest iterations of the algorithm but they fare pretty well most of the times.

Here are the results for the logo of Mybrandnewlogo:

http://compute.vision/nouns/index.html?barnacles=https://s3....

http://compute.vision/brands/logo-results.html?uhash=HTH0LBU...

Edit: Formatting